154022225450 has 24 divisors (see below), whose sum is σ = 294224081772. Its totient is φ = 59943784320.

The previous prime is 154022225443. The next prime is 154022225459. The reversal of 154022225450 is 54522220451.

It can be written as a sum of positive squares in 6 ways, for example, as 48313358809 + 105708866641 = 219803^2 + 325129^2 .

It is not an unprimeable number, because it can be changed into a prime (154022225459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41625779 + ... + 41629478.

Almost surely, 2^154022225450 is an apocalyptic number.

154022225450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154022225450 is a deficient number, since it is larger than the sum of its proper divisors (140201856322).

154022225450 is a wasteful number, since it uses less digits than its factorization.

154022225450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83255306 (or 83255301 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 154022225450 in words is "one hundred fifty-four billion, twenty-two million, two hundred twenty-five thousand, four hundred fifty".